<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        body {
            margin: 0;
            padding: 0;

        }

        .top {
            background: red;
            height: 100px;
            width: auto;
        }

        .bar {
            height: 100px;
            background: aqua;
            width: 800px;
            margin: 0 auto;
        }

        .main {
            background: green;
            height: 600px;
            width: 800px;
            margin: 0 auto;

        }

        .left {
            width: 200px;
            height: 600px;
            background: beige;
            float: left;
        }

        .right {
            width: 600px;
            height: 600px;
            background: burlywood;
            float: right;
        }

        .r-top {

            width: 600px;
            height: 200px;
            background: brown;
        }

        .r-foot {

            width: 600px;
            height: 200px;
            background:darkgray;
        }

        .foot {
            background: yellow;
            height: 500px;
            width: 800px;
            margin: 0 auto;
        }

    </style>
</head>
<body>
<div class="top">
    <div class="bar"></div>
</div>
<div class="main">
    <div class="left">
    </div>

    <div class="right">
        <div class="r-top"></div>
        <div class="r-foot"></div>

    </div>

</div>
<div class="foot"></div>

</body>
</html>